Commonly, a voucher is a document that shows goods have bought or services have been rendered, authorizes payment, and indicates the ledger account(s) in which these transactions have to be recorded.
It was the first product in a major class of drugs for depression called selective serotonin reuptake inhibitors. Prozac was first introduced to the U.S. market in January 1988, and it gained its most prescribed status within two years.
In the United States, it was first approved by the Food and Drug Administration (FDA) in 1995. Prevacid patent protection expired on November 10, 2009. Since 2009, lansoprazole has been available over the counter (OTC) in the U.S. in a 15-mg dose marketed by Novartis as Prevacid 24HR.